13111102331311 has 8 divisors (see below), whose sum is σ = 13534083022464. Its totient is φ = 12688124259360.

The previous prime is 13111102331291. The next prime is 13111102331323. The reversal of 13111102331311 is 11313320111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13111102331311 - 2⁵ = 13111102331279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111102331381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17571021 + ... + 18301993.

It is an arithmetic number, because the mean of its divisors is an integer number (1691760377808).

Almost surely, 2^{13111102331311} is an apocalyptic number.

13111102331311 is a deficient number, since it is larger than the sum of its proper divisors (422980691153).

13111102331311 is an equidigital number, since it uses as much as digits as its factorization.

13111102331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309601.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 13111102331311 its reverse (11313320111131), we get a palindrome (24424422442442).

The spelling of 13111102331311 in words is "thirteen trillion, one hundred eleven billion, one hundred two million, three hundred thirty-one thousand, three hundred eleven".